Home / 698,245.80-1,047,368.70-459,097.35

Finding the Fourth Proportional to 698,245.80, 1,047,368.70 and 459,097.35

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Solution

The fourth proportional to 698,245.80, 1,047,368.70 and 459,097.35 is: 688,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,245.80 : 1,047,368.70 = 459,097.35 : x
  2. Step 2: Convert to fraction form
    698,245.80/1,047,368.70 = 459,097.35/x
  3. Step 3: Cross multiply
    698,245.80x = 1,047,368.70 × 459,097.35
  4. Step 4: Simplify right side
    698,245.80x = 480,844,194,642.95
  5. Step 5: Solve for x
    x = 480,844,194,642.95/698,245.80
  6. Step 6: Final answer
    x = 688,646.03

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.